>-----Original Message----->From: Ingo Molnar [mailto:mingo@elte.hu] >Sent: Tuesday, June 12, 2007 12:32 AM>To: Eric St-Laurent>Cc: linux-kernel@vger.kernel.org; >linux-rt-users@vger.kernel.org; Thomas Gleixner; Dinakar >Guniguntala; Pallipadi, Venkatesh>Subject: Re: v2.6.21.4-rt11>>>(Cc:-ed Venki for the force-hpet issue below)>>* Eric St-Laurent <ericstl34@sympatico.ca> wrote:>>> On Sat, 2007-09-06 at 23:05 +0200, Ingo Molnar wrote:>> > i'm pleased to announce the v2.6.21.4-rt11 kernel, which can be >> > downloaded from the usual place:>> >> I'm running 2.6.21.4-rt12-cfs-v17 (x86_64), so far no >problems. I like >> this kernel a lot, it's feels quite smooth.>>yeah, that's probably CFS in the works :-) That combined with >PREEMPT_RT >makes for a really snappy desktop.>>> One little thing, no HPET timer is detected. By looking at >the patch, >> even the force detect code is there, it should work.>> >> The hpet timer is not available as a clocksource and only one hpet>> related message is present in dmesg:>> >> PM: Adding info for No Bus:hpet>> >> This is on a Asus P5LD2-VM motherboard (ICH7)>> >> Relevant config bits:>> >> CONFIG_HPET_TIMER=y>> # CONFIG_HPET_EMULATE_RTC is not set>> CONFIG_HPET=y>> # CONFIG_HPET_RTC_IRQ is not set>> CONFIG_HPET_MMAP=y>> >> Should I enable one of the two other options? Any ideas?>>Venki, is this ICH7 board supposed to work with force-hpet?>

Yes. Force_hpet part is should have worked..Eric: Can you send me the output of 'lspci -n on your system.We need to double check we are covering all ICH7 ids.